序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
1 供多层可调色光敏元件用的改进的弹性体层 CN91102275.9 1991-04-10 CN1055610A 1991-10-23 J·J·帕特里夏
公开了含有光敏层和弹性体层的光敏元件,弹性体层是有至少5个主链原子的α-烯聚合物。此元件可用于形成彩色图象,例如用于彩色校样。
2 향상된 광형상화 KR1020130009233 2013-01-28 KR1020140096552A 2014-08-06 케네트,찰스조나단; 커닝햄,존; 깁슨,로버트
Provided are an apparatus and a method for photoimaging. Especially, provided in the present invention are an apparatus and a method for photoimaging a substrate covered with a wet hardening photopolymer, wherein the photoimaged substrate is used for forming an electric circuit or images of like different shapes used in a photchemical machine industry (PCMI) comprising, for example, a thin line, a rectangle, a spiral, a circle or other geometric and non-geometric shapes.
3 Tonable, photosensitive composition and process for making polychromatic images US08254335 1994-06-06 US06294312B1 2001-09-25 Mario Grossa; Manfred Sondergeld
A tonable, photosensitive composition, the adhesion properties of which are controlled by a polycaprolactone having an average molecular weight of at least 50,000 and a process for preparing polychromatic images by means of such a composition are described.
4 Multiple color proof temporary supports, photopolymerizable materials and pigmented transfer materials US08569701 1997-12-07 US06168899A 2001-01-02 Mario Grossa; Udo Dietrich Bode; Manfred Sondergeld; Karl-Heinz Wiedenmann; Ronald John Convers; Steven Max Kalo; Ashok Kamalaksha Kudva
This invention makes available a photopolymerizable material containing at least one polymeric binder, photopolymerizable monomer and, at least one photoinitiator, and having a special shear modulus and a specific thickness. These photopolymerizable materials are used in processes for preparing images, especially multiple color proofs. Temporary supports and pigmented transfer materials specifically designed for the preparation of multiple color proofs are described. A pigmented element having a pigmented transfer layer with a polymeric component of polycaprolactone, polytetrahydrofuran and mixtures thereof is disclosed.
5 Aqueous developable color proofing elements US862803 1997-05-23 US6010821A 2000-01-04 Gordon Christopher Smith; Hamid Barjesteh; James Alan Bonham
Water coatable and water developable negative-acting color proofing single sheet and overlay systems are described. The water-soluble photosensitive color layer employed in each type of proofing construction includes a photopolymerizable polymer having a weight-average molecular weight between 5,000 and 100,000; an alkaline soluble resin having a weight-average molecular weight between 1,000 and 200,000 and an acid number between 50 and 300; and a water-soluble photoinitiator.
6 Monochrome and polychrome color proofs with low optical dot growth and a process and means for their preparation US705096 1996-08-28 US5712025A 1998-01-27 Bernhard Metzger; Ursula Annerose Kraska; Mario Grossa
Monochrome and polychrome color proofs, for the graphic arts industry, having an image carrier containing two layers A and B to control optical dot growth are described. Layer A contains at least one polyolefin and, in a preferred embodiment, a light-reflecting white pigment. Layer B contains at least one binder, at least one light-reflecting white pigment at between 50% and 90% by weight relative to Layer B, and at least one light-absorbing pigment. A process and a means for preparing such monochrome and polychrome color proofs are described.
7 Process for preparing images on tonable, light-sensitive layers US897712 1992-06-12 US5427894A 1995-06-27 Bernhard Metzger
A process for preparing images on tonable, light-sensitive layers using a transfer material comprising (a) a support, (b) a transfer layer containing in its binder a finely divided powder or a finely divided powder and a dissolved dye, and (c) a cover layer containing a binder and/or discrete, inert particles is described. Such transfer materials can be used to make color proof prints having high resolution, reproducible color density, low dot growth, and no troublesome background fog.
8 Aqueous-processable imaging element tonable at room temperature before and after exposure to actinic radiation US196881 1994-02-15 US5401603A 1995-03-28 Gregory A. Bodager; Bruce M. Monroe
A tonable, aqueous-processable, photosensitive element and process for forming a colored image from said element is described. The element comprises a support and a tonable, aqueous-processable photosensitive layer, said photosensitive layer consisting essentially of (a) an aqueous-processable, photoinsolubilizable photosensitive composition comprising a photosensitive material, and (b) a water-soluble plasticizer, wherein said photosensitive material is present in sufficient amount to insolubilize said photosensitive layer on exposure to actinic radiation, said photosensitive composition is present in sufficient amount to form a layer when said photosensitive layer is coated, and said plasticizer is present in sufficient amount to make said photosensitive layer.
9 Process for making images employing a toner which has a tackiness that can be increased by actinic radiation US104315 1993-08-10 US5399458A 1995-03-21 Mario Grossa; Dieter Tigler; Bernhard Metzger; Paola Gallo
A process for preparing images, particularly color proof prints, in which tacky and non-tacky areas are produced by imagewise exposure of a radiation-sensitive layer is described. The tacky areas are toned with a toner having a tackiness that can be increased by irradiation with actinic radiation.
10 Process for the preparation of images on tonable, light-sensitive layers US620891 1990-12-03 US5126226A 1992-06-30 Helmut H. Frohlich; Michael Fryd
A process for preparing images on a tonable, light-sensitive layer in which a transfer layer containing a toner and a core/shell polymer as a binder is used. The core polymer has a glass transition temperature above 50.degree. C. and the shell polymer has a glass transition temperature below 40.degree. C. Such transfer layers are used in proofing processes for high quality printing.
11 Humidity-resistant proofing toners with low molecular weight polystyrene US289848 1988-12-22 US4965172A 1990-10-23 Howard Matrick
This invention concerns a method for color development of a surface having imagewise tacky and nontacky image areas which comprises(a) applying a dry nonelectroscopic toner to the image-bearing surface;(b) distributing the toner particles over the image surface whereby the distributed toner particles become embedded solely in the tacky image areas; and(c) physically removing toner particles from the nontacky areas which are left substantially free of the toner particles, the improvement wherein high resolution images having higher toned optical density with improved color purity are obtained using a dry nonelectroscopic humidity resistant toner having a size distribution within the range from about 0.2 micron to about 10 microns, not more than 10% of the toner being below 0.5 micron and not more than 10% of the toner being above 5 microns, and the toner consists essentially of a colorant dispersed in an organic resin wherein the resin is a single homogeneous polymer selected from the group consisting of homopolymers of styrene or styrene homologs, and interpolymers thereof, said polymer having a number average molecular weight in the range from about 500 to about 2,000 and said polymer having a softening temperature in the range from about 75.degree. C. to about 175.degree. C.In another embodiment, this invention concerns dry, nonelectroscopic humidity resistant toners for producing high resolution images having higher toned optical density with improved color purity.
12 Process for preparing negative images on a positive-type tonable photosensitive element US134877 1987-12-18 US4869996A 1989-09-26 Peter J. McCartin; Eugene L. Grubb; Robert P. Held; Howard Matrick; Bohdan Rakoczy
An improved process for preparing negative images from a photohardenable tonable element, wherein the unexposed photohardenable tonable element is tacky in a preselected temperature range, T.sub.1 -T.sub.2, in which temperature range the exposed photosensitive tonable element is nontacky but wherein the exposed element is retackifiable at elevated temperatures above T.sub.2. After imagewise exposure the unexposed areas have a colorless toning material applied to them at a temperature within the range T.sub.1 -T.sub.2 to make them nontacky at temperatures of at least up to T.sub.3, which is greater than T.sub.2. After heating to an elevated temperature above T.sub.2 but less than T.sub.3 the exposed areas have a contrasting toning material applied to them to give a negative or reverse image.
13 Process for the production of multicolor proofs using precolored toning films US66125 1987-06-24 US4806451A 1989-02-21 Helmut H. Frohlich
The invention relates to a process for producing an image on a light-sensitive tonable layer comprising the steps of:(A) exposing the light-sensitive layer imagewise to produce imagewise tacky and complementary non-tacky areas;(B) bringing the imagewise-exposed layer into surface-to-surface contact with a supported non-photosensitive transfer layer containing at least one finely divided powder and/or a dissolved dye in a binder; and(C) separating the transfer layer from the light-sensitive layer, whereby the transfer layer adheres selectively to the imagewise tacky areas,the improvement wherein, the binder of the transfer layer consists essentially of(a) about 55-97 wt. % of at least one polymer in the form of a powder having a minimum film-forming temperature of above 50.degree. C., and(b) about 3-45 wt. % of at least one thermoplastic and/or one thermoplastic-elastomeric polymer, having a minimum film-forming temperature when used as a latex, or, a glass transition temperature when used as a dissolved polymer, which is at least 10.degree. C. lower than the minimum film-forming temperature of polymer (a), whereby polymer phases (a) and (b) are incompatible.
14 Fluorescent toners surface coated with polymeric quaternary ammonium compound and slip agent US024869 1987-03-11 US4756991A 1988-07-12 Eugene L. Grubb
Fluorescent dry nonelectroscopic toner comprising fluorescent pigmented organic resin particles having a size distribution of 0.2 to 50 micrometers, surface coated with at least 0.1% by weight of silicone oil or fluorocarbon compound, in combination with at least 0.5% by weight of a water soluble, polymeric quaternary ammonium compound as defined. The fluorescent toner is useful in color developing positive- and negative-working photosensitive elements. The toners provide good toning quality and excellent lack of background color, together with stability on aging.
15 Positive-working color proofing film and process US857311 1986-04-30 US4734356A 1988-03-29 Richard D. Bauer; John G. Buzzell; Rusty E. Koenigkramer
Photopolymer positive surprint color proofing film based on epoxy acrylate monomer exhibits low dot gain, low time dependence of toning and good tonal range. Binder can be methylmethacrylate/ethyl acrylate/acrylic acid copolymer, preferably crosslinked with zinc ions and plasticized with a second acrylate monomer and a mixture of triacetin and trimethylol propane.
16 Photoimaging process US266057 1981-05-21 US4429027A 1984-01-31 Vaughan C. Chambers, Jr.; Joseph E. Gervay
A simplified method for photoimaging a photosensitive layer produces in situ a radiation-opaque photomask on the photosensitive layer or on a cover sheet of the layer. A nonvisible latent image is toned and the toner is transferred to a layer or cover sheet to form an actinic radiation-opaque photomask.
17 Photoimaging process for forming multicolor images US215699 1980-12-12 US4356253A 1982-10-26 John G. Buzzell
Improved process for forming multicolor proofs by laminating to a receptor a positive-working photopolymer element having an electrical discharge treated polyethylene terephthalate support bearing a photopolymerizable layer containing a monomeric component of or mixture of monomeric components as defined; a compatible polymeric acrylate binder and optionally a polyvinyl acetate binder, the weight ratio of polyvinyl acetate to acrylate binder being less than 4 to 3, and an initiator or initiator system; exposing the layer imagewise; removing the support, applying and distributing colorant, removing the colorant in the exposed areas and repeating the steps at least once with another photopolymer element, the lamination being to the previously laminated element.
18 Four color digital printing process and color image element using color-sensitive photopolymers US10241066 2002-09-11 US20040045465A1 2004-03-11 Michael E. McLean; Douglas C. Neckers; Petr Serguievski; Alexander Mejiritski; Oleg Grinevich
A process of forming a color image element with color-forming photopolymer layer(s), the color image element so formed, and a digital imaging system is provided. A single subtractive working color-sensitive, photopolymerizable layer on a substrate which, upon exposure to an actinic radiation source reflected from a digital light processor accurately reproduces a desired digital color image in the photopolymerizable layer. The use of multiple layers of color specific photopolymers enable a full color image to be formed upon the substrate by this process.
19 Process and preparation of monochrome and polychromatic color proofs from high resolution color separations using image carriers having a specified roughness US08977255 1997-11-24 US06177234B1 2001-01-23 Bernhard Metzger
A monochromatic or polychromatic proof of a high resolution master and a process and means for its preparation are described. The graphic arts industry requires monochromatic or polychromatic proofs having high resolution and tonally correct reproduction of halftone masters having frequency modulated screen or line screens with more than 80 lines/cm. These proofs are obtained by using image carriers having image-side surfaces with an average roughness of 1.1 &mgr;m maximum. Such color proofs are necessary to check color separations in the graphic arts industry for whether subsequent printing results are a tonally correct reproduction of the master.
20 Process for preparing multiple color proofs US569043 1995-12-07 US5587272A 1996-12-24 Mario Grossa; Udo D. Bode; Manfred Sondergeld; Karl-Heinz Wiedenmann; Ronald J. Convers; Steven M. Kalo; Ashok K. Kudva
This invention makes available processes for preparing images, especially color proofs. A layer with imagewise tacky and nontacky areas is toned. Toner adhering to the tacky areas is transferred first onto a temporary support and from there onto an image receptor.
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